[Skiboot] [PATCH v3 1/3] cpu: Add helper function to return number of cores available in the chip

[Joel Stanley]

On Wed, Feb 10, 2016 at 8:09 AM, Shilpasri G Bhat
<shilpa.bhat at linux.vnet.ibm.com> wrote:
> get_available_nr_cores_in_chip() takes 'chip_id' as an argument and
> returns the number of available cores in the chip.
>
> Signed-off-by: Shilpasri G Bhat <shilpa.bhat at linux.vnet.ibm.com>

Reviewed-by: Joel Stanley <joel at jms.id.au>

> ---
>  core/cpu.c    | 11 +++++++++++
>  include/cpu.h |  1 +
>  2 files changed, 12 insertions(+)
>
> diff --git a/core/cpu.c b/core/cpu.c
> index 68c027c..d347903 100644
> --- a/core/cpu.c
> +++ b/core/cpu.c
> @@ -317,6 +317,17 @@ struct cpu_thread *first_available_cpu(void)
>         return next_available_cpu(NULL);
>  }
>
> +u8 get_available_nr_cores_in_chip(u32 chip_id)
> +{
> +       struct cpu_thread *core;
> +       u8 nr_cores = 0;
> +
> +       for_each_available_core_in_chip(core, chip_id)
> +               nr_cores++;
> +
> +       return nr_cores;
> +}
> +
>  struct cpu_thread *next_available_core_in_chip(struct cpu_thread *core,
>                                                u32 chip_id)
>  {
> diff --git a/include/cpu.h b/include/cpu.h
> index 982b48a..9eaf59c 100644
> --- a/include/cpu.h
> +++ b/include/cpu.h
> @@ -166,6 +166,7 @@ extern struct cpu_thread *next_available_cpu(struct cpu_thread *cpu);
>
>  extern struct cpu_thread *first_available_core_in_chip(u32 chip_id);
>  extern struct cpu_thread *next_available_core_in_chip(struct cpu_thread *cpu, u32 chip_id);
> +extern u8 get_available_nr_cores_in_chip(u32 chip_id);
>
>  #define for_each_available_core_in_chip(core, chip_id) \
>         for (core = first_available_core_in_chip(chip_id); core; \
> --
> 1.9.3
>